package io;

import java.io.*;

public class CopyDemo3Buffered {
    public static void main(String[] args) throws IOException {
        FileInputStream fis=new FileInputStream("Jain_Zanaka_4.jpg");
        BufferedInputStream bis=new BufferedInputStream(fis);
        FileOutputStream fos=new FileOutputStream("Jain_Zanaka_4_cp.jpg");
        BufferedOutputStream bos=new BufferedOutputStream(fos);

        long start=System.currentTimeMillis();
        int b;
        while ((b=bis.read())!=-1){
            bos.write(b);
        }
        long end=System.currentTimeMillis();
        System.out.println("复制完毕！耗时一共："+(end-start)+"ms");
        bis.close();
        bos.close();

    }
}
